620520355525056 has 112 divisors (see below), whose sum is σ = 1884601156221696. Its totient is φ = 176510510106624.

The previous prime is 620520355525033. The next prime is 620520355525117. The reversal of 620520355525056 is 650525553025026.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1016647981 + ... + 1017258156.

Almost surely, 2^{620520355525056} is an apocalyptic number.

It is an amenable number.

620520355525056 is an abundant number, since it is smaller than the sum of its proper divisors (1264080800696640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

620520355525056 is a wasteful number, since it uses less digits than its factorization.

620520355525056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2033906386 (or 2033906376 counting only the distinct ones).

The product of its (nonzero) digits is 13500000, while the sum is 51.

The spelling of 620520355525056 in words is "six hundred twenty trillion, five hundred twenty billion, three hundred fifty-five million, five hundred twenty-five thousand, fifty-six".